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Lepidotus Mantelli, Agassiz. Wealden. a. Palate and teeth. b. Side view of teeth. c. The fishes of the Wealden are chiefly referable to the Ganoid and Placoid orders. These ganoids were allied to the Lepidosteus, or Gar-pike, of the American rivers. The whole body was covered with large rhomboidal scales, very thick, and having the exposed part coated with enamel.

In confirmation of this view it may be stated that the remains of the Iguanodon Mantelli, a gigantic terrestrial reptile, very characteristic of the Wealden, has been discovered near Maidstone, in the overlying Kentish Rag, or marine limestone of the Upper Neocomian.

Tooth of Iguanodon Mantelli. A. Partially worn tooth of young individual of the same. b. Crown of tooth in adult worn down. The Iguanodon, first discovered by Dr. It appears that they have often been worn by the process of mastication; whereas the existing herbivorous reptiles clip and gnaw off the vegetable productions on which they feed, but do not chew them. Dr.

And Franciscus Lopez de Gomera, in his Generall Historie of the Indies, fol. 297. and 298. in treatinge of the seconde voyadge of Franciscus Vasques de Coronado from Ceuola to Tigues, from Tigues to Cicuic, and from Cicuic to Quiuira, saieth firste of the contrye about Tigues: Ci sono in quel paese melloni, e cottone bianco e rosso, del quale fanno piu larghi mantelli, che in altre bande delle Indie.